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Finding the Fourth Proportional to 18,043.71, 27,064.95 and 6,356.63

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Solution

The fourth proportional to 18,043.71, 27,064.95 and 6,356.63 is: 9,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.71 : 27,064.95 = 6,356.63 : x
  2. Step 2: Convert to fraction form
    18,043.71/27,064.95 = 6,356.63/x
  3. Step 3: Cross multiply
    18,043.71x = 27,064.95 × 6,356.63
  4. Step 4: Simplify right side
    18,043.71x = 172,041,873.12
  5. Step 5: Solve for x
    x = 172,041,873.12/18,043.71
  6. Step 6: Final answer
    x = 9,534.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.